Question

What are cryptarithns

Answer 1

Cryptaritms is a type of mathematical game which consists of mathematical eqations among unknown numbers whose digit is represented by letters.
     so the game is to identify the value of each letter

Answer 2

Cryptarithms
Cryptarithms are a type of mathematical puzzle in which the digits are replaced by symbols (typically letters of the alphabet). For example:9567 + 1085 = 10652can be represented like this:abcd + efgb = efcbh